Mitsubishi Montero (2002-2004). Manual — part 1029
FRONT DISC BRAKE ASSEMBLY
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BASIC BRAKE SYSTEM
35A-141
3. Clean the piston, and insert into cylinder with special tool
MB990520.
4. Be careful that the piston boot does not become caught
when lowering the caliper assembly and installing the guide
pin.
5. Check the brake drag force as follows:
(1) Start the engine and hold the brake pedal down for five
seconds. [Pedal depression force: approximately 196 N
(44 pound)]
(2) Stop the engine.
(3) Turn the brake disc forward 10 times.
(4) Use a spring scale to measure the hub torque with pads
installed in the same direction as earlier.
(5) Calculate the drag force of the disc brake [difference
between hub torque with pads installed and hub torque
with pads removed].
Standard value: 55 N (12 pound)
6. If the brake drag force exceeds the standard value,
disassemble and clean the piston. Check for corrosion or
worn piston seal, and check the sliding condition of the lock
pin and guide pin.
INSPECTION
M1351006100181
Brake Disc Check
• Disc wear (Refer to
• Disc run-out (Refer to
ACX00684AB
MB990520
ACX00685
FRONT DISC BRAKE ASSEMBLY
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BASIC BRAKE SYSTEM
35A-142
DISASSEMBLY AND ASSEMBLY
M1351006200285
ACX00686AB
89 ± 4 N
•
m
66 ± 3 ft-lb
89 ± 4 N
•
m
66 ± 3 ft-lb
7.4 ± 1.4 N
•
m
65 ± 13 in-lb
2
2
1
1
9
9
13
13
13
13
13
13
10
11
12
12
4
4
4
8
8
8
7
7
6
6
6
5
5
5
3
3
CLIP KIT
10
11
BRAKE CALIPER KIT
PAD SET
SHIM KIT
SEAL AND BOOT KIT
N
N
N
N
DISASSEMBLY STEPS
1. GUIDE PIN LOCK BOLT
2. GUIDE PIN
3. CALIPER SUPPORT, PAD, CLIP AND
SHIM ASSEMBLY
4. BOOT
5. BUSHING
<<A>>
6. PISTON BOOT
<<A>>
7. PISTON
<<B>>
8. PISTON SEAL
9. CALIPER BODY
10. PAD AND WEAR INDICATOR
ASSEMBLY
11. PAD ASSEMBLY
12. SHIM
13. CLIP
DISASSEMBLY STEPS (Continued)
FRONT DISC BRAKE ASSEMBLY
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BASIC BRAKE SYSTEM
35A-143
LUBRICATION POINTS
DISASSEMBLY SERVICE POINTS
CAUTION
When disassembling the front disc brakes, disassemble
both sides (left and right wheels) as a set.
.
ACX00687AC
GREASE: REPAIR KIT GREASE
GREASE: REPAIR KIT GREASE
BRAKE FLUID: DOT3 OR DOT4
THE PISTON SEAL INSIDE THE
SEAL AND BOOT KIT IS COATED
WITH SPECIAL GREASE DO NOT
WIPE THIS GREASE OFF.
GREASE: REPAIR KIT GREASE
PISTON
SEAL
CAUTION
FRONT DISC BRAKE ASSEMBLY
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BASIC BRAKE SYSTEM
35A-144
<<A>> PISTON BOOT/PISTON REMOVAL
CAUTION
• When removing the pistons, be sure to use the handle
of a plastic hammer and adjust the height of the two
pistons while pumping in air slowly so that the pistons
protrude evenly.
• Do not remove one piston completely before trying to
remove the other piston, because it will become impos-
sible to remove the second piston.
• Blow air little by little to remove the piston. The piston
will rush out if a force of air is applied suddenly.
Blow compressed air slowly from the connecting portion of the
brake hose to pull out the piston and the piston boots.
.
<<B>> PISTON SEAL REMOVAL
CAUTION
Do not use a flat-tipped screwdriver or similar tool to
remove piston seal. These may damage the inner side of
the cylinder.
1. Remove the piston seal with your finger tip.
2. Clean the piston surface and inner cylinder with alcohol
brake fluid DOT 3 or DOT 4.
ACX00688
ACX00689
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